H02P 21/0017
Model reference adaptation
Official title: {Model reference adaptation, e.g. MRAS or MRAC, useful for control or parameter estimation}
H02P21/0017 (Model reference adaptation) appears on 72 US grants and 80 published applications in this corpus.
Search patents in H02P- Granted patents
- 72
- Published applications
- 80
- Assignees
- 68
- Inventors
- 215
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 4 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 5 | 7 |
| 2020 | 5 | 9 |
| 2021 | 6 | 5 |
| 2022 | 10 | 11 |
| 2023 | 13 | 13 |
| 2024 | 9 | 7 |
| 2025 | 8 | 8 |
| 2026 | 3 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Motor control device and motor15 Sep 2026US 12,738,870 B2Nidec Corporation
- Nonlinear predictive position control method suitable for biaxial permanent magnet servo system24 Feb 2026US 12,562,662 B2Zhejiang University Advanced Electrical Equipment Innovation Center
- Direct locating method for calculating position of permanent magnet synchronous motor10 Feb 2026US 12,549,119 B2Zhejiang University Advanced Electrical Equipment Innovation Center
- Method for enabling permanent magnet synchronous motor to start in reverse direction and associated motor device16 Dec 2025US 12,500,536 B2Elite Semiconductor Microelectronics Technology Inc.
- Direct discrete-time current controller for virtually-translated alternating current machine2 Dec 2025US 12,485,776 B2GM Global Technology Operations LLC
- Electric motor current control for torque ripple suppression based on data map for cae model17 Sep 2026US 2026/0280457 A1Fca US LLC
- Method and Device for Determining an Estimated Value of a Measurement Offset of a Phase Current Sensor10 Sep 2026US 2026/0269755 A1Bayerische Motoren Werke Aktiengesellschaft
- Control system, control method, and program30 Jul 2026US 2026/0219641 A1Panasonic Intellectual Property Management Co., Ltd.
- Motor control device and power conversion system9 Jul 2026US 2026/0196954 A1Astemo, Ltd.
- Servo adjustment system25 Jun 2026US 2026/0178007 A1Fanuc Corporation
Most cited
By later US patents
- System and method for motor speed estimation using hybrid model reference adaptive system17US 7,193,387 B1Rockwell Automation Technologies, Inc. · 2007
- Systems and methods for interior permanent magnet synchronous motor control12US 11,239,772 B1Wolong Electric Group Co., Ltd. · 2022
- Model predictive control with reference tracking12US 9,705,420 B2ABB Schweiz AG · 2017
- Motor speed estimation system and method using hybrid model reference adaptive system9US 7,298,105 B1Rockwell Automation Technologies, Inc. · 2007
- Control device for electric rotating machine8US 8,441,220 B2Denso Corporation · 2013